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Finding the Third Proportional to 2,914 and 4,243

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Solution

The third proportional to 2,914 and 4,243 is: 6,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914 : 4,243 = 4,243 : x
  2. Step 2: Convert to fraction form
    2,914/4,243 = 4,243/x
  3. Step 3: Cross multiply
    2,914x = 4,243 × 4,243
  4. Step 4: Simplify right side
    2,914x = 18,003,049
  5. Step 5: Solve for x
    x = 18,003,049/2,914
  6. Step 6: Final answer
    x = 6,178.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.